Doctor profile · Federal record

Dr. Katelyn Stepan, MD

Otolaryngology Physician (CMS: Otolaryngology) · Otolaryngology Physician · Chicago, IL

  • NPI 1326468489
  • Accepts Medicare
  • MIPS 91.3 / 100 · 2023
  • 12 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
676 N Saint Clair St Ste 1200
Chicago, IL 606113068
(312) 695-8182
fax (312) 695-4303
Additional location
4921 Parkview Pl, Ste 11A
Saint Louis, MO 631101032
(314) 362-7509
fax (314) 747-5593

Credentials & registration

NPPES · NUCC
NPI registered
April 2014 — 12 yrs on file
Profile last updated
April 6, 2026
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207Y00000X — NUCC code
State licenses (2)
Illinois #036153453 · Missouri #2019013305

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1326468489. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
549
Distinct HCPCS
9
Medicare allowed
$95,667
HCPCS Description Services Patients Avg allowed
31575 Diagnostic exam of voice box using a flexible endoscope 148 102 $104
99214 Established patient office or other outpatient visit, 30-39 minutes 145 102 $119
99215 Established patient office or other outpatient visit, 40-54 minutes 90 70 $178
99205 New patient office or other outpatient visit, 60-74 minutes 53 53 $216
99213 Established patient office or other outpatient visit, 20-29 minutes 41 33 $88
99204 New patient office or other outpatient visit, 45-59 minutes 30 30 $168
99443 Telephone medical discussion with physician, 21-30 minutes 18 15 $134
38724 Removal of lymph nodes, muscle, and tissue of neck 13 13 $1,797
99442 Telephone medical discussion with physician, 11-20 minutes 11 11 $96

In context: peer comparison

Among 38 peers in Chicago Otolaryngology Physician, average services per provider: 71. This provider delivers 7.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$127
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
DePuy Synthes Sales INC. 1 $127.04

By nature of payment

Food and Beverage
$127

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Katelyn Stepan's medical specialty?
Dr. Katelyn Stepan practices Otolaryngology Physician in Chicago, IL.
Where does Dr. Katelyn Stepan practice?
Dr. Katelyn Stepan practices at 676 N Saint Clair St Ste 1200, Chicago, IL 606113068. Office phone: 3126958182.
What is Dr. Katelyn Stepan's NPI?
Dr. Katelyn Stepan's National Provider Identifier (NPI) is 1326468489, issued by NPPES.
Does Dr. Katelyn Stepan accept Medicare assignment?
Yes. Dr. Katelyn Stepan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katelyn Stepan commonly perform?
Top Medicare-reported procedures in 2023: Diagnostic exam of voice box using a flexible endoscope (HCPCS 31575); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.